/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraGpuReadbackManager.h
Enqueue a readback of a single buffer.
void EnqueueReadback ( [FRDGBuilder](API\Runtime\RenderCore\FRDGBuilder) & GraphBuilder, FRDGBufferRef Buffer, uint32 Offset, uint32 NumBytes, [FCompletionCallback](API\Plugins\Niagara\FNiagaraGpuReadbackManager\FCompletionCallback) Callback )